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reduce deps for windows-msvc targets for backtrace
(eventually) mirrors https://github.com/rust-lang/backtrace-rs/pull/543
Some dependencies of backtrace don't used on windows-msvc targets, so exclude them:
miniz_oxide (+ adler)
addr2line (+ gimli)
object (+ memchr)
This saves about 30kb of std.dll + 17.5mb of rlibs
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Add support for tidy linting via external tools for non-rust files
This change adds the flag `--check-extras` to `tidy`. It accepts a comma separated list of any of the options:
* py (test everything applicable for python files)
* py:lint (lint python files using `ruff`)
* py:fmt (check formatting for python files using `black`)
* shell or shell:lint (lint shell files using `shellcheck`)
Specific files to check can also be specified via positional args. Examples:
* `./x test tidy --check-extras=shell,py`
* `./x test tidy --check-extras=py:fmt -- src/bootstrap/bootstrap.py`
* `./x test tidy --check-extras=shell -- src/ci/*.sh`
* Python formatting can be applied with bless: `./x test tidy --ckeck-extras=py:fmt --bless`
`ruff` and `black` need to be installed via pip; this tool manages these within a virtual environment at `build/venv`. `shellcheck` needs to be installed on the system already.
---
This PR doesn't fix any of the errors that show up (I will likely go through those at some point) and it doesn't enforce anything new in CI. Relevant zulip discussion: https://rust-lang.zulipchat.com/#narrow/stream/242791-t-infra/topic/Other.20linters.20in.20CI
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Rename tests/ui/issues/issue-100605.rs to ../type/option-ref-advice.rs
The test is a regression test for a [bug ](https://github.com/rust-lang/rust/issues/100605) where the compiler gave bad advice for an `Option<&String>`. Rename the file appropriately.
Part of #73494
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The test is a regression test for a bug where the compiler gave bad
advice for an `Option<&String>`. Rename the file appropriately.
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Rollup of 9 pull requests
Successful merges:
- #113945 (Fix wrong span for trait selection failure error reporting)
- #114351 ([rustc_span][perf] Remove unnecessary string joins and allocs.)
- #114418 (bump parking_lot to 0.12)
- #114434 (Improve spans for indexing expressions)
- #114450 (Fix ICE failed to get layout for ReferencesError)
- #114461 (Fix unwrap on None)
- #114462 (interpret: add mplace_to_ref helper method)
- #114472 (Reword `confusable_idents` lint)
- #114477 (Account for `Rc` and `Arc` when suggesting to clone)
r? `@ghost`
`@rustbot` modify labels: rollup
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Improve spans for indexing expressions
fixes #114388
Indexing is similar to method calls in having an arbitrary left-hand-side and then something on the right, which is the main part of the expression. Method calls already have a span for that right part, but indexing does not. This means that long method chains that use indexing have really bad spans, especially when the indexing panics and that span in coverted into a panic location.
This does the same thing as method calls for the AST and HIR, storing an extra span which is then put into the `fn_span` field in THIR.
r? compiler-errors
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Lots of tiny incremental simplifications of `EmitterWriter` internals
ignore the first commit, it's https://github.com/rust-lang/rust/pull/114088 squashed and rebased, but it's needed to use to use `derive_setters`, as they need a newer `syn` version.
Then this PR starts out with removing many arguments that are almost always defaulted to `None` or `false` and replace them with builder methods that can set these fields in the few cases that want to set them.
After that it's one commit after the other that removes or merges things until everything becomes some very simple trait objects
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Indexing is similar to method calls in having an arbitrary
left-hand-side and then something on the right, which is the main part
of the expression. Method calls already have a span for that right part,
but indexing does not. This means that long method chains that use
indexing have really bad spans, especially when the indexing panics and
that span in coverted into a panic location.
This does the same thing as method calls for the AST and HIR, storing an
extra span which is then put into the `fn_span` field in THIR.
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It lints against features that are inteded to be internal to the
compiler and standard library. Implements MCP #596.
We allow `internal_features` in the standard library and compiler as those
use many features and this _is_ the standard library from the "internal to the compiler and
standard library" after all.
Marking some features as internal wasn't exactly the most scientific approach, I just marked some
mostly obvious features. While there is a categorization in the macro,
it's not very well upheld (should probably be fixed in another PR).
We always pass `-Ainternal_features` in the testsuite
About 400 UI tests and several other tests use internal features.
Instead of throwing the attribute on each one, just always allow them.
There's nothing wrong with testing internal features^^
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This change adds the flag `--check-extras` to `tidy`. It accepts a comma
separated list of any of the options:
- py (test everything applicable for python files)
- py:lint (lint python files using `ruff`)
- py:fmt (check formatting for python files using `black`)
- shell or shell:lint (lint shell files using `shellcheck`)
Specific files to check can also be specified via positional args.
Examples:
- `./x test tidy --check-extras=shell,py`
- `./x test tidy --check-extras=py:fmt -- src/bootstrap/bootstrap.py`
- `./x test tidy --check-extras=shell -- src/ci/*.sh`
- Python formatting can be applied with bless:
`./x test tidy --ckeck-extras=py:fmt --bless`
`ruff` and `black` need to be installed via pip; this tool manages these
within a virtual environment at `build/venv`. `shellcheck` needs to be
installed on the system already.
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Update lexer emoji diagnostics to Unicode 15.0
This replaces the `unic-emoji-char` dep tree (which hasn't been updated for a while) with `unicode-properties` crate which contains Unicode 15.0 data.
Improves diagnostics for added emoji characters in recent years. (See tests).
cc #101840
cc ``@Manishearth``
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Check lazy type aliases for well-formedness
Previously we didn't check if `T: Mul` holds given lazy `type Alias<T> = <T as Mul>::Output;`.
Now we do. It only makes sense.
`@rustbot` label F-lazy_type_alias
r? `@oli-obk`
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Diagnostic namespace
This PR implements the basic infrastructure for accepting the `#[diagnostic]` attribute tool namespace as specified in https://github.com/rust-lang/rfcs/pull/3368. Note: This RFC is not merged yet, but it seems like it will be accepted soon. I open this PR early on to get feedback on the actual implementation as soon as possible. This hopefully enables getting at least the diagnostic namespace to stable rust "soon", so that crates do not need to bump their MSRV if we stabilize actual attributes in this namespace.
This PR only adds infrastructure accept attributes from this namespace, it does not add any specific attribute. Therefore the compiler will emit a lint warning for each attribute that's actually used. This namespace is added behind a feature flag, so it will be only available on a nightly compiler for now.
cc `@estebank` as they've supported me in planing, specifying and implementing this feature.
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Co-authored-by: est31 <est31@users.noreply.github.com>
Co-authored-by: Esteban Kuber <estebank@users.noreply.github.com>
Co-authored-by: Vadim Petrochenkov <vadim.petrochenkov@gmail.com>
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itself
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This reverts commit 13e2abf6b388762af2e97ce065d6206961264a8f.
Reverting because an MCP was requested and it turned out there
was a lack of a consensus on what to do in this area.
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Double check that hidden types match the expected hidden type
Fixes https://github.com/rust-lang/rust/issues/113278 specifically, but I left a TODO for where we should also add some hardening.
It feels a bit like papering over the issue, but at least this way we don't get unsoundness, but just surprising errors. Errors will be improved and given spans before this PR lands.
r? `@compiler-errors` `@lcnr`
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Implement rust-lang/compiler-team#578.
When an ICE is encountered on nightly releases, the new rustc panic
handler will also write the contents of the backtrace to disk. If any
`delay_span_bug`s are encountered, their backtrace is also added to the
file. The platform and rustc version will also be collected.
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Update cargo
10 commits in 45782b6b8afd1da042d45c2daeec9c0744f72cc7..694a579566a9a1482b20aff8a68f0e4edd99bd28
2023-07-05 16:54:51 +0000 to 2023-07-11 22:28:29 +0000
- fix(embedded): Always generate valid package names (rust-lang/cargo#12349)
- fix(embedded): Error on unsupported commands (rust-lang/cargo#12350)
- chore(ci): Automatically test new packages by using `--workspace` (rust-lang/cargo#12342)
- contrib docs: Add some more detail about how publishing works (rust-lang/cargo#12344)
- docs: Put cargo-add change under nightly (rust-lang/cargo#12343)
- Minor: Use "number" instead of "digit" when explaining Cargo's use of semver (rust-lang/cargo#12340)
- Update criterion (rust-lang/cargo#12338)
- Add profile strip to config docs. (rust-lang/cargo#12337)
- update re: multiple versions that differ only in the metadata tag (rust-lang/cargo#12335)
- doc: state `PackageId`/`SourceId` string is opaque (rust-lang/cargo#12313)
r? ``@ghost``
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Implement selection for `Unsize` for better coercion behavior
In order for much of coercion to succeed, we need to be able to deal with partial ambiguity of `Unsize` traits during selection. However, I pessimistically implemented selection in the new trait solver to just bail out with ambiguity if it was a built-in impl:
https://github.com/rust-lang/rust/blob/9227ff28aff55b252314076fcf21c9a66f10ac1e/compiler/rustc_trait_selection/src/solve/eval_ctxt/select.rs#L126
This implements a proper "rematch" procedure for dealing with built-in `Unsize` goals, so that even if the goal is ambiguous, we are able to get nested obligations which are used in the coercion selection-like loop:
https://github.com/rust-lang/rust/blob/9227ff28aff55b252314076fcf21c9a66f10ac1e/compiler/rustc_hir_typeck/src/coercion.rs#L702
Second commit just moves a `resolve_vars_if_possible` call to fix a bug where we weren't detecting a trait upcasting to occur.
r? ``@lcnr``
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This crate doesn't exist anymore.
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move personality to sys
this moves `personality` to sys, removing another PAL exception
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move pal cfgs in f32 and f64 to sys
I'd like to push forward on `sys` being a separate crate. To start with, most of these PAL exception cases are very simple little bits of code like this, so I thought I would try tidying them up.
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Port PGO/LTO/BOLT optimized build pipeline to Rust
This PR ports the `stage-build.py` PGO/LTO/BOLT optimization script from Python to Rust, to make it easier to use dependencies, and make it a bit more robust. The PR switches both the Linux and Windows dist runners to the Rust script and removes the old Python script.
Funnily enough, the Rust port has less lines of code than the Python script :) I think that clearly shows that the Python script really lacked dependencies.
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Update rustix
The issue has been fixed.
https://github.com/bytecodealliance/rustix/issues/716
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Revert the lexing of `c"…"` string literals
Fixes \[after beta-backport\] #113235.
Further progress is tracked in #113333.
This PR *manually* reverts parts of #108801 (since a git-revert would've been too coarse-grained & messy)
and git-reverts #111647.
CC `@fee1-dead` (#108801) `@klensy` (#111647)
r? `@compiler-errors`
`@rustbot` label F-c_str_literals beta-nominated
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This reverts commit f212ba6d6d60963c8101bb24fc3e53fca80c046f.
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